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View synonyms for radio telescope
radio telescope
noun
, Astronomy.
- a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
radio telescope
noun
- an instrument consisting of an antenna or system of antennas connected to one or more radio receivers, used in radio astronomy to detect and analyse radio waves from space
radio telescope
- An instrument that consists of a radio receiver and antenna system mounted on a wide, bowl-shaped reflector, used to detect radio-frequency emissions from astronomical objects. The reflector and receiver form a parabolic antenna ; incoming radio waves are focused by the reflector onto the receiver, where the radio signals are translated into electrical signals for further processing or electronic display. Due to the long wavelengths of radio waves, the reflectors of radio telescopes must be very large to focus the waves at a good resolution. Separate reflectors are sometimes linked in fixed arrays to act as a single collector.
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Word History and Origins
Origin of radio telescope1
First recorded in 1925–30
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Example Sentences
Now, the Egyptian Astronomical Society has just finished constructing a new radio telescope.
From Project Gutenberg
Then the blacktop road curved out into the desert to the great radio telescope.
From Project Gutenberg
Later, the boys helped check circuits while the radio telescope swung through a variety of arcs, with Farid at the controls.
From Project Gutenberg
Parnell Winston faced the group of Egyptian scientists in the crowded radio-telescope control room.
From Project Gutenberg
Their whole attention was given to the problem of getting the big radio telescope working.
From Project Gutenberg
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